228111623 has 8 divisors (see below), whose sum is σ = 235834080. Its totient is φ = 220471200.

The previous prime is 228111613. The next prime is 228111643. The reversal of 228111623 is 326111822.

228111623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228111623 - 2⁴ = 228111607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228111592 and 228111601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228111613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14828 + ... + 26001.

It is an arithmetic number, because the mean of its divisors is an integer number (29479260).

Almost surely, 2^228111623 is an apocalyptic number.

228111623 is a deficient number, since it is larger than the sum of its proper divisors (7722457).

228111623 is a wasteful number, since it uses less digits than its factorization.

228111623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41017.

The product of its digits is 1152, while the sum is 26.

The square root of 228111623 is about 15103.3646251423. The cubic root of 228111623 is about 611.0111537363.

It can be divided in two parts, 22811162 and 3, that multiplied together give a palindrome (68433486).

The spelling of 228111623 in words is "two hundred twenty-eight million, one hundred eleven thousand, six hundred twenty-three".